CN106368648B - A kind of intelligent shale gas device for fracturing wellhead - Google Patents
A kind of intelligent shale gas device for fracturing wellhead Download PDFInfo
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- CN106368648B CN106368648B CN201510568343.2A CN201510568343A CN106368648B CN 106368648 B CN106368648 B CN 106368648B CN 201510568343 A CN201510568343 A CN 201510568343A CN 106368648 B CN106368648 B CN 106368648B
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Abstract
The invention discloses a kind of intelligent shale gas device for fracturing wellhead, including the tubing head four-way being connected with well head, it is connected with first manual flat gate valve, hydraulic remotely-controlled valve, the second flat gate valve, opposite-flushing type injection head and third flat gate valve in turn above tubing head four-way upper port；It is sequentially connected fourth panel gate valve and the 5th flat gate valve respectively on the adjacent both ends mouth of tubing head four-way and well head connected port；By being equipped with shut-off valve and pressure gauge on flange after flanged joint between fourth panel gate valve and the 5th flat gate valve.The configuration of the present invention is simple, it is easy to operate, for ease of maintenaince, high reliablity, exploitation individual well expense it is low, long service life；It can realize that remote control drives a well by remote control at any time by hydraulic remotely-controlled valve, avoid unnecessary loss and the energy from allowing expense, securely and reliably；It by opposite-flushing type injection head, is formed and is liquidated when fluid enters inner cavity by runner hole, it is ensured that reduced to the greatest extent and injection head inner wall is washed away, extend product service life.
Description
Technical field
The present invention relates to a kind of wellhead assembly, especially a kind of intelligent shale gas device for fracturing wellhead belongs to petroleum drilling
It adopts, fracturing technique field.
Background technique
In recent years, shale gas is a dark horse in Unconventional gas, has become Global Oil and Gas Resources exploration and development
New highlight, while shale gas exploitation has strategic importance to China, the shale gas for cleaning low-carbon can increase natural gas supply, excellent
Change energy resource structure, alleviate emission reduction.According to statistics, shale gas stock number in the world's is 456 tcms at present, is mainly distributed on
North America, the Central Asia and China, Middle East and North Africa, Latin America, the former Soviet Union etc. are regional, and potentiality are far longer than conventional gas.
A kind of shale gas device for fracturing wellhead that number of patent application is 201510113722.2, is all made of manually opened gas checking
Valve, there are some potential safety problems, control technology is backward, service life is low and has the defects of flow control is not allowed.
Summary of the invention
For the above technical problems, the purpose of the present invention is: propose a kind of structurally reasonable, easy to operate, peace
Complete efficiently intelligent shale gas device for fracturing wellhead.
The technical solution of the invention is as follows is achieved: a kind of intelligent shale gas device for fracturing wellhead, including with
The connected tubing head four-way of well head, is connected with first manual flat gate valve, liquid in turn above the tubing head four-way upper port
Dynamic remote-controlled valve, the second flat gate valve, opposite-flushing type injection head and third flat gate valve；In the tubing head four-way and well head connected end
It is sequentially connected fourth panel gate valve and the 5th flat gate valve respectively on the adjacent both ends mouth of mouth；The fourth panel gate valve and the 5th
By being equipped with shut-off valve and pressure gauge on flange after flanged joint between flat gate valve；In the tubing head four-way upper port
Interior loading sealed suspension device.
As a further improvement of that present invention, the opposite-flushing type injection head includes the opposite-flushing type note that two sides have a pair of of ear wing
Enter an ontology, is equipped in the opposite-flushing type injection head ontology and flows through channel for what oil pipe was passed through；It is provided in the ear wing
With the fracturing fluid runner hole for flowing through channel and communicating；A union flange is connected to above two ear wings；Union flange upper end is logical
It crosses the tight cap of union and is connected with pressure break flow meters.
As a further improvement of that present invention, the channel that flows through is provided with oil pipe protecting jacket.
As a further improvement of that present invention, resistance to erosion detection device is equipped with below the opposite-flushing type injection head.
As a further improvement of that present invention, the resistance to erosion detection device is mainly by being sequentially connected the hexagonal spiral shell of setting
Female, threaded connection section and detector；The detector is equipped with erosion resistance and detects scale.
As a further improvement of that present invention, the hydraulic remotely-controlled valve includes valve body, is connected to valve body two side ends
For hindering in left valve deck and right valve deck, the cylinder body being connected on left valve deck, the valve bonnet being connected on right valve deck and setting valve body
The logical valve plate of cutout；Oiling nozzle, piston and the valve rod connecting with piston, the valve rod other end and valve plate are equipped in the cylinder body
One end connection；The valve plate other end is connect with lower guide rod.
As a further improvement of that present invention, stop-leak compound injection valve is equipped on the left valve deck；On the right valve deck
Equipped with ball-and-seat.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
There is intelligent shale gas device for fracturing wellhead of the invention structure to be simple and convenient to operate, for ease of maintenaince, reliably
Property high, the features such as exploitation individual well expense is low, long service life；It remote control can be realized at any time by the design of hydraulic remotely-controlled valve arrangement
Well head remote control drives a well, and unnecessary loss and the energy is avoided to allow expense, not only safety but also reliable, improves its safety；Pass through opposite-flushing type
The structure of injection head designs, and is formed and is liquidated when fluid enters inner cavity by runner hole, it is ensured that reduces to the greatest extent to injection head
Inner wall washes away, and extends product service life.
Detailed description of the invention
Technical scheme of the present invention is further explained with reference to the accompanying drawing:
Attached drawing 1 is a kind of structural schematic diagram of intelligent shale gas device for fracturing wellhead of the invention；
Attached drawing 2 is the structural schematic diagram of resistance to erosion detection device of the invention；
Attached drawing 3 is the structural schematic diagram of hydraulic remotely-controlled valve of the invention；
Wherein: 1, tubing head four-way；2, first manual flat gate valve；3, hydraulic remotely-controlled valve；4, the second flat gate valve；5, right
Rush formula injection head；6, third flat gate valve；7, fourth panel gate valve；8, the 5th flat gate valve；9, flange；10, shut-off valve；11,
Pressure gauge；12, sealed suspension device；13, resistance to erosion detection device；31, valve body；32, left valve deck；33, right valve deck；34, cylinder body；
35, valve bonnet；36, valve plate；37, oiling nozzle；38, piston；39, valve rod；40, lower guide rod；41, rear valve base；42, oil cylinder oil liquid
Delivery outlet；51, ear wing；52, opposite-flushing type injection head ontology；53, channel is flowed through；54, fracturing fluid runner hole；55, union flange；
56, the tight cap of union；57, pressure break flow meters；58, oil pipe protecting jacket；60, studding bolt；61, nut；62, stem packing；63,
Support plate；64, preceding valve seat；65, stop-leak compound injection valve；66, ball-and-seat；131, hex nut；132, threaded connection section；133, it examines
Gauge head；134, erosion resistance detects scale.
Specific embodiment
The present invention will now be explained with reference to the accompanying drawings.
The intelligent shale gas device for fracturing wellhead of one of present invention as shown in Fig. 1, including what is be connected with well head
Tubing head four-way 1 is connected with first manual flat gate valve 2, hydraulic remotely-controlled valve in turn above 1 upper port of tubing head four-way
3, the second flat gate valve 4, opposite-flushing type injection head 5 and third flat gate valve 6；In the tubing head four-way 1 and well head connected port
Adjacent both ends mouth on be sequentially connected fourth panel lock 7 and the 5th flat gate valve 8 respectively；The fourth panel gate valve 7 and the 5th
After connecting between flat gate valve 8 by flange 9, shut-off valve 10 and pressure gauge 11 are housed on flange 9；In the tubing head four-way
Sealed suspension device 12 is packed into 1 upper port；By first manual flat gate valve 2, the second flat gate valve 4, third flat gate valve 6,
Fourth panel lock 7 and the 5th flat gate valve 8 can realize manual closing well；Well can be realized by remote control at any time by hydraulic remotely-controlled valve 3
Mouth remote control drives a well.
The opposite-flushing type injection head 5 includes the opposite-flushing type injection head ontology 52 that two sides have a pair of of ear wing 51, described to liquidate
It is equipped in formula injection head ontology 52 and flows through channel 53 for what oil pipe was passed through；It is provided in ear wing 51 and flows through channel 53 and communicate
Fracturing fluid runner hole 54；A union flange 55 is connected to above two ear wings 51；55 upper end of union flange passes through union
Tight cap 56 is connected with pressure break flow meters 57, and pressure break flow meters 57 can reach accurate control or calculate pressure sand amount.
The injection hole symmetric design of opposite-flushing type injection head with a pair of of ear wing 51, when fluid enters inner cavity by runner hole
Formation liquidates, and takes out energy, it is ensured that reduces wash away to injection head inner wall to the greatest extent, extend product service life.
As shown in attached drawing 1,2,5 lower section side of opposite-flushing type injection head is provided with detection hole, is provided with resistance to erosion inspection in detection hole
Device 13 is surveyed, resistance to erosion detection device 13 is mainly by being sequentially connected the hex nut 131 of setting, threaded connection section 132 and detection
First 133, detector 133, can be easily to wash away portion faces punching towards 53 direction of channel is flowed through in real-time detection opposite-flushing type injection head 5
Brush degree, detector 133 is equipped with erosion resistance detection scale 134 can thus know according to the erosion quantity of resistance to erosion detector
The one month or 1 year scour depth in road is how many, for judging safe life that well head uses.
The channel 53 that flows through is provided with oil pipe protecting jacket 58, and continuous oil is protected when high velocity fracturing liquid enters runner hole
Pipe, avoids oil pipe from being washed out.
As shown in attached drawing 1,3, the hydraulic remotely-controlled valve 3 includes valve body 31, the left valve for being connected to 31 two side ends of valve body
Lid 32 and right valve deck 33, the cylinder body 34 being connected on left valve deck 32, the valve bonnet 35 being connected on right valve deck 33 and setting valve body
For blocking the valve plate 36 of circulation in 31；Oiling nozzle 37, oil cylinder oil liquid delivery outlet 42,38 and of piston are equipped in the cylinder body 34
The valve rod 39 connecting with piston 38,39 other end of valve rod are connect with 36 one end of valve plate；36 other end of valve plate and lower guide rod
40 connections.
There are two valve seat orifice and rear valve bases 41 to cooperate for processing on valve body 31, two sides distinguish processing bolt hole respectively with left valve deck
32, right valve deck 33 is connected, and studding bolt 60, nut 61 fasten left valve deck 32, right valve deck 33, and lower guide rod 40 is tail portion guiding,
Stem packing 62 is used for for the sealing of valve rod 39 and left valve deck 32, the sealing of lower guide rod 40 and right valve deck 33, support plate 63
Two preceding valve seats 64 are supported, lower guide rod 40 is oriented to for valve plate 36.
Hydraulic operated valve remote control operation platform, controls hydraulic remotely-controlled valve, and when by oiling 37 oil inlet of nozzle, piston 38 drives valve
The mobile valve plate 36 of bar 39 is moved to the left, and valve is opened；When fuel-displaced by oil cylinder oil liquid delivery outlet 42, piston 38 is with ovable valve stem 39
Mobile valve plate 39 moves right, and valve is closed, to achieve the purpose that closing well, realizes the effect remotely controlled.
Stop-leak compound injection valve 65 is equipped on left valve deck 32；Ball-and-seat 66 is equipped on the right valve deck.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (4)
1. a kind of intelligent shale gas device for fracturing wellhead, including the tubing head four-way being connected with well head, it is characterised in that: in institute
It states and is connected with first manual flat gate valve in turn above tubing head four-way upper port, hydraulic remotely-controlled valve, the second flat gate valve, liquidates
Formula injection head and third flat gate valve；Successively connect respectively on the adjacent both ends mouth of the tubing head four-way and well head connected port
Connect fourth panel gate valve and the 5th flat gate valve；Pass through flanged joint between the fourth panel gate valve and the 5th flat gate valve
Afterwards, shut-off valve and pressure gauge are housed on flange；Sealed suspension device is packed into the tubing head four-way upper port；
The opposite-flushing type injection head includes the opposite-flushing type injection head ontology that two sides have a pair of of ear wing, the opposite-flushing type injection head sheet
It is equipped in vivo and flows through channel for what oil pipe was passed through；There are gaps with interchannel is flowed through for the oil pipe；It is described that flow through channel built-in
There is oil pipe protecting jacket, the oil pipe protecting jacket is additionally arranged on oil-pipe external wall；It is provided in the ear wing and flows through channel phase
Logical fracturing fluid runner hole；
A union flange is connected to above two ear wings；Union flange upper end is connected with pressure break flow quantity by the tight cap of union
Meter；
Resistance to erosion detection device is equipped with below the opposite-flushing type injection head.
2. intelligent shale gas device for fracturing wellhead according to claim 1, it is characterised in that: the resistance to erosion detection dress
It is set to the hex nut for being sequentially connected setting, threaded connection section and detector；The detector is equipped with erosion resistance detection and carves
Degree.
3. intelligent shale gas device for fracturing wellhead according to claim 1, it is characterised in that: the hydraulic remotely-controlled valve packet
It includes valve body, the left valve deck for being connected to valve body two side ends and right valve deck, the cylinder body being connected on left valve deck, be connected to right valve deck
On valve bonnet and setting valve body in for blocks circulate valve plate；Oiling nozzle, piston and and piston are equipped in the cylinder body
The valve rod of connection, the valve rod other end are connect with valve plate one end；The valve plate other end is connect with lower guide rod.
4. intelligent shale gas device for fracturing wellhead according to claim 3, it is characterised in that: it is set on the left valve deck
There is stop-leak compound injection valve；Ball-and-seat is equipped on the right valve deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568343.2A CN106368648B (en) | 2015-09-08 | 2015-09-08 | A kind of intelligent shale gas device for fracturing wellhead |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568343.2A CN106368648B (en) | 2015-09-08 | 2015-09-08 | A kind of intelligent shale gas device for fracturing wellhead |
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| CN106368648A CN106368648A (en) | 2017-02-01 |
| CN106368648B true CN106368648B (en) | 2019-04-19 |
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| CN201510568343.2A Active CN106368648B (en) | 2015-09-08 | 2015-09-08 | A kind of intelligent shale gas device for fracturing wellhead |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825201B (en) * | 2018-08-17 | 2024-06-11 | 昆山艾蓓蓓阀门有限公司 | Oil-gas-sand separation metering skid-mounted complete device for oil-gas production wellhead equipment |
| CN110469286A (en) * | 2019-07-24 | 2019-11-19 | 大庆油田有限责任公司 | A kind of combined pressure wellhead assembly for pressure break with pressure |
| CN113356836B (en) * | 2021-07-19 | 2024-03-26 | 中国石油天然气股份有限公司 | Analysis method for bolt looseness of shale gas fracturing wellhead device |
| CN114809984A (en) * | 2022-05-20 | 2022-07-29 | 盐城旭东机械有限公司 | Fracturing pilot production composite wellhead device |
| CN116181281B (en) * | 2023-04-27 | 2023-07-07 | 江苏雄越石油机械设备制造有限公司 | Combined multipurpose wellhead gate valve |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0624711B1 (en) * | 1993-05-11 | 1998-02-04 | Cooper Cameron Corporation | Valve assembly in wellheads |
| CN202866750U (en) * | 2012-03-19 | 2013-04-10 | 江苏亿德隆石油机械有限公司 | Big mouth diameter oil-gas extraction wellhead device |
| CN202755944U (en) * | 2012-07-25 | 2013-02-27 | 重庆新泰机械有限责任公司 | Large diameter fracture well port device |
| CN203201520U (en) * | 2013-04-19 | 2013-09-18 | 金湖政轩石油机械有限公司 | High-pressure efficient fracture well head device |
| CN203835331U (en) * | 2014-04-22 | 2014-09-17 | 江苏金加钻采设备有限公司 | Hydraulic fracturing valve |
| CN204200168U (en) * | 2014-10-21 | 2015-03-11 | 建湖县鸿达阀门管件有限公司 | A kind of switch for fracture well head production tree and anticorrosion checkout gear |
| CN204476357U (en) * | 2015-02-09 | 2015-07-15 | 江苏腾龙石化机械有限公司 | Anti-erosion device for fracturing wellhead |
| CN104695899A (en) * | 2015-03-16 | 2015-06-10 | 盐城市琪航石油机械有限公司 | Shale gas fracturing well head device |
| CN205000945U (en) * | 2015-09-08 | 2016-01-27 | 建湖县鸿达阀门管件有限公司 | Intelligent shale atmospheric pressure splits wellhead assembly |
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